245493840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1022891}}^1$

素因数の和:1022907

約数の個数: 40

約数和(自身を含む): 761031648

約数和(自身を除く): 515537808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1022891, 2045782, 3068673, 4091564, 5114455, 6137346, 8183128, 10228910, 12274692, 15343365, 16366256, 20457820, 24549384, 30686730, 40915640, 49098768, 61373460, 81831280, 122746920, 245493840]

約数ペア:

[(1, 245493840), (2, 122746920), (3, 81831280), (4, 61373460), (5, 49098768), (6, 40915640), (8, 30686730), (10, 24549384), (12, 20457820), (15, 16366256), (16, 15343365), (20, 12274692), (24, 10228910), (30, 8183128), (40, 6137346), (48, 5114455), (60, 4091564), (80, 3068673), (120, 2045782), (240, 1022891)]